/******************************************************************************* | |
* Copyright (c) 2009, 2010 IBM Corporation and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v1.0 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/epl-v10.html | |
* | |
* Contributors: | |
* IBM Corporation - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.wst.css.ui.internal.text; | |
import org.eclipse.jface.text.BadLocationException; | |
import org.eclipse.jface.text.IDocument; | |
import org.eclipse.jface.text.link.ILinkedModeListener; | |
import org.eclipse.jface.text.link.LinkedModeModel; | |
import org.eclipse.jface.text.link.LinkedModeUI.ExitFlags; | |
import org.eclipse.jface.text.link.LinkedModeUI.IExitPolicy; | |
import org.eclipse.swt.events.VerifyEvent; | |
import org.eclipse.wst.sse.ui.typing.AbstractCharacterPairInserter; | |
public class CSSCharacterPairInserter extends AbstractCharacterPairInserter { | |
public boolean hasPair(char c) { | |
switch (c) { | |
case '"': | |
case '\'': | |
case '[': | |
case '(': | |
case '{': | |
return true; | |
default: | |
return false; | |
} | |
} | |
protected char getPair(char c) { | |
switch (c) { | |
case '\'': | |
case '"': | |
return c; | |
case '(': | |
return ')'; | |
case '[': | |
return ']'; | |
case '{': | |
return '}'; | |
default: | |
throw new IllegalArgumentException(); | |
} | |
} | |
class ExitPolicy implements IExitPolicy { | |
private char fExit; | |
private char fEscape; | |
private IDocument fDocument; | |
public ExitPolicy(char exit, char escape, IDocument document) { | |
fExit = exit; | |
fEscape = escape; | |
fDocument = document; | |
} | |
public ExitFlags doExit(LinkedModeModel model, VerifyEvent event, int offset, int length) { | |
if(!isMasked(offset)) { | |
if (event.character == fExit) | |
return new ExitFlags(ILinkedModeListener.UPDATE_CARET, false); | |
if (event.character == '\r' || event.character == '\n' && offset > 0) { | |
try { | |
if (fDocument.getChar(offset - 1) == '{') { | |
return new ExitFlags(ILinkedModeListener.EXIT_ALL, true); | |
} | |
} catch (BadLocationException e) { | |
} | |
} | |
} | |
return null; | |
} | |
private boolean isMasked(int offset) { | |
try { | |
return fEscape == fDocument.getChar(offset - 1); | |
} catch (BadLocationException e) { | |
} | |
return false; | |
} | |
} | |
protected IExitPolicy getExitPolicy(char exit, char escape, IDocument document) { | |
return new ExitPolicy(exit, escape, document); | |
} | |
} |